CVE-2021-43314: Buffer Overflow
First published: Fri Mar 24 2023(Updated: )
A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5368
Credit: patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| UPX | <4.0.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for the heap-based buffer overflow in upx?
The vulnerability ID for the heap-based buffer overflow in upx is CVE-2021-43314.
What is the severity of CVE-2021-43314?
CVE-2021-43314 has a severity rating of 7.5 (high).
Which software versions are affected by CVE-2021-43314?
All versions up to and excluding 4.0.0 of the Upx Project Upx software are affected by CVE-2021-43314.
How can I fix the heap-based buffer overflow vulnerability in upx?
To fix the vulnerability, update your Upx Project Upx software to version 4.0.0 or higher.
Where can I find more information about CVE-2021-43314?
You can find more information about CVE-2021-43314 at the following link: https://github.com/upx/upx/issues/380
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